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NA 119-05-01 AA
Sewage fittings (CEN/TC 165/WG 4)
NA 119-05-02 AA
Sewage systems for buildings and sites (CEN/TC 165/WG 21)
CEN/TC 165/WG 41
Small type sewage treatment plants (< 50 inhabitants)
STLB-Bau LB 011
Separator equipment and small sewage works
NA 119-05-01-05 UA -dormant
Concrete for sewage products DIN 4281
NA 119-05-37-03 AK
Determination of test parameters for cyclical load change internal pressure tests for the renovation and repair of sewage pressure pipe systems
DIN 4261-1
Small sewage treatment plants - Part 1: Plants for waste water pretreatment
DIN 3603
Test methods for cyclic load change internal pressure tests for the renovation and repair of sewage pressure pipe systems
